509580473 has 2 divisors, whose sum is σ = 509580474. Its totient is φ = 509580472.

The previous prime is 509580469. The next prime is 509580509. The reversal of 509580473 is 374085905.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 367565584 + 142014889 = 19172^2 + 11917^2 .

It is a cyclic number.

It is not a de Polignac number, because 509580473 - 2² = 509580469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 509580473.

It is not a weakly prime, because it can be changed into another prime (509580413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254790236 + 254790237.

It is an arithmetic number, because the mean of its divisors is an integer number (254790237).

Almost surely, 2^509580473 is an apocalyptic number.

It is an amenable number.

509580473 is a deficient number, since it is larger than the sum of its proper divisors (1).

509580473 is an equidigital number, since it uses as much as digits as its factorization.

509580473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 509580473 is about 22573.8891864029. The cubic root of 509580473 is about 798.7378394231.

The spelling of 509580473 in words is "five hundred nine million, five hundred eighty thousand, four hundred seventy-three".